Question

rezolvati ecuatia
{2•[20-(5+x):6]-5}:9+17=20

Answer 1

Sper ca te-am ajutat!!!!!!

Answer 2

{2*[20-(5+x):6]-5}:9+17=20
T1+17=20
T1=20-17
T1=3
{2*[20-(5+x):6]-5}:9=3
D:9=3
D=3*9
D=27
2*[20-(5+x):6]-5=27
D-5=27
D=27+5
D=32
2*[20-(5+x):6]=32
2*F2=32
F2=32:2
F2=16
20-(5+x):6=16
20-S=16
S=20-16
S=4
(5+x):6=4
D:6=4
D=4*6
D=24
5+x=24
x=24-5
x=19